public void SaveBook(BOOKVM model)
{
bool Isvalid = ValidateModel(model);
if (Isvalid)
{
if (model.book_id == 0)
{
TBL_BOOK book = new TBL_BOOK();
book.photo = model.photo;
book.title = model.title;
book.numofcopies = model.numofcopies;
book.isbn = model.isbn;
context.TBL_BOOK.Add(book);
}
else
{
var res = context.TBL_BOOK.SingleOrDefault(s => s.book_id == model.book_id);
res.photo = model.photo;
res.title = model.title;
res.numofcopies = model.numofcopies;
res.isbn = model.isbn;
}
context.SaveChanges();
}
}
public bool ValidateModel(BOOKVM model)
{
if (string.IsNullOrEmpty(model.title))
{
return(false);
}
if (string.IsNullOrEmpty(model.photo))
{
return(false);
}
if (model.title.Length > 40)
{
return(false);
}
if (model.photo.Length > 245)
{
return(false);
}
if (model.numofcopies < 0)
{
return(false);
}
if (model.isbn <= 0)
{
return(false);
}
return(true);
}
public ActionResult SaveBook(BOOKVM model)
{
book.SaveBook(model);
return(RedirectToAction("Index"));
}
